ueshin edited a comment on issue #24073: [SPARK-27134][SQL] array_distinct function does not work correctly with columns containing array of array URL: https://github.com/apache/spark/pull/24073#issuecomment-473164953 ~LGTM.~ I rethought after https://github.com/apache/spark/pull/24073#discussion_r265854866, I agree with @kiszk to skip traversing the arraybuffer after null found. @srowen Could you take another look please? Thanks!
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